/*-
 * Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
 * Redistribution and modifications are permitted subject to BSD license.
 */
#ifndef _XER_ENCODER_H_
#define _XER_ENCODER_H_

#include <asn_application.h>

#ifdef __cplusplus
extern "C"
{
#endif

    struct asn_TYPE_descriptor_s; /* Forward declaration */

    /* Flags used by the xer_encode() and (*xer_type_encoder_f), defined below */
    enum xer_encoder_flags_e
    {
        /* Mode of encoding */
        XER_F_BASIC = 0x01,    /* BASIC-XER (pretty-printing) */
        XER_F_CANONICAL = 0x02 /* Canonical XER (strict rules) */
    };

    /*
 * The XER encoder of any type. May be invoked by the application.
 */
    asn_enc_rval_t xer_encode(struct asn_TYPE_descriptor_s *type_descriptor,
        void *struct_ptr, /* Structure to be encoded */
        enum xer_encoder_flags_e xer_flags,
        asn_app_consume_bytes_f *consume_bytes_cb,
        void *app_key /* Arbitrary callback argument */
    );

    /*
 * The variant of the above function which dumps the BASIC-XER (XER_F_BASIC)
 * output into the chosen file pointer.
 * RETURN VALUES:
 * 	 0: The structure is printed.
 * 	-1: Problem printing the structure.
 * WARNING: No sensible errno value is returned.
 */
    int xer_fprint(FILE *stream, struct asn_TYPE_descriptor_s *td, void *sptr);

    /*
 * Type of the generic XER encoder.
 */
    typedef asn_enc_rval_t(xer_type_encoder_f)(
        struct asn_TYPE_descriptor_s *type_descriptor,
        void *struct_ptr, /* Structure to be encoded */
        int ilevel,       /* Level of indentation */
        enum xer_encoder_flags_e xer_flags,
        asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
        void *app_key                              /* Arbitrary callback argument */
    );

#ifdef __cplusplus
}
#endif

#endif /* _XER_ENCODER_H_ */
